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Remove vlan code

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This commit is contained in:
Kroese 2023-05-11 19:29:56 +02:00 committed by GitHub
parent ffe0d6cb08
commit 6d1f53c077
1 changed files with 9 additions and 33 deletions
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42
run/network.sh
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@ -22,48 +22,23 @@ set -Eeuo pipefail
configureDHCP() {
VM_NET_VLAN="${VM_NET_TAP}_vlan"
NETWORK=$(ip -o route | grep "${VM_NET_DEV}" | grep -v default | awk '{print $1}')
IP=$(ip address show dev "${VM_NET_DEV}" | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)
[[ "${DEBUG}" == [Yy1]* ]] && set -x
# Create a macvlan network to allow for communication from the VM guest to the host
{ ip link add link "${VM_NET_DEV}" "${VM_NET_VLAN}" type macvlan mode bridge ; rc=$?; } || :
if (( rc != 0 )); then
error "Cannot create macvlan interface. Please make sure the network type is 'macvlan' and not 'ipvlan',"
error "and that the NET_ADMIN capability has been added to the container config: --cap-add NET_ADMIN" && exit 15
fi
ip address add "${IP}" dev "${VM_NET_VLAN}"
ip link set dev "${VM_NET_VLAN}" up
ip route flush dev "${VM_NET_VLAN}"
ip route del "${NETWORK}" dev "${VM_NET_DEV}"
ip route add "${NETWORK}" dev "${VM_NET_VLAN}" metric 0
# Create a macvtap network for the VM guest
{ ip link add link "${VM_NET_DEV}" name "${VM_NET_TAP}" address "${VM_NET_MAC}" type macvtap mode bridge ; rc=$?; } || :
{ ip link add link "${VM_NET_DEV}" name "${VM_NET_TAP}" address "${VM_NET_MAC}" type macvtap mode bridge ; rc=$?; } |:
if (( rc != 0 )); then
error "Capability NET_ADMIN has not been set most likely. Please add the "
error "following docker setting to your container: --cap-add NET_ADMIN" && exit 16
error "Cannot create macvtap interface. Please make sure the network type is 'macvlan' and not 'ipvlan',"
error "and that the NET_ADMIN capability has been added to the container config: --cap-add NET_ADMIN" && exit 16
fi
ip link set "${VM_NET_TAP}" up
{ set +x; } 2>/dev/null
TAP_NR=$(</sys/class/net/"${VM_NET_TAP}"/ifindex)
TAP_PATH="/dev/tap${TAP_NR}"
# Create dev file (there is no udev in container: need to be done manually)
IFS=: read -r MAJOR MINOR < <(cat /sys/devices/virtual/net/"${VM_NET_TAP}"/tap*/dev)
if (( MAJOR < 1)); then
error "Cannot find: sys/devices/virtual/net/${VM_NET_TAP}" && exit 18
fi
(( MAJOR < 1)) && error "Cannot find: sys/devices/virtual/net/${VM_NET_TAP}" && exit 18
[[ ! -e "${TAP_PATH}" ]] && [[ -e "/dev0/${TAP_PATH##*/}" ]] && ln -s "/dev0/${TAP_PATH##*/}" "${TAP_PATH}"
@ -91,10 +66,11 @@ configureDHCP() {
configureNAT () {
# Create a bridge with a static IP for the VM guest
VM_NET_IP='20.20.20.21'
[[ "${DEBUG}" == [Yy1]* ]] && set -x
# Create bridge with static IP for the VM guest
{ ip link add dev dockerbridge type bridge ; rc=$?; } || :
if (( rc != 0 )); then
@ -177,6 +153,8 @@ configureNAT () {
$DNSMASQ ${DNSMASQ_OPTS:+ $DNSMASQ_OPTS}
{ set +x; } 2>/dev/null
[[ "${DEBUG}" == [Yy1]* ]] && echo
}
# ######################################
@ -235,6 +213,4 @@ fi
NET_OPTS="${NET_OPTS} -device virtio-net-pci,romfile=,netdev=hostnet0,mac=${VM_NET_MAC},id=net0"
[[ "${DEBUG}" == [Yy1]* ]] && echo && info "Finished network setup.." && echo
return 0